Piper SENECA III - Ice Detection Light, Surface Deicer, Propeller Deicer and Heated Windshield Control Switches

PIPER
AIRCRAFT CORPORATION
SECTION
9
PA-34-220T,
SENECA
III
SUPPLEMENT
6
A heated glass
panel
is
installed
on
the
exterior
of
the
pilot's
windshield
to
provide
visibility
in
icing conditions. The
panel
is
heated by
current
from
the
airplane's
electrical
power
supply
and
controlled
by
an
ON-OFF
control
switch/circuit
breaker.
The
control
switch/circuit
breaker is
located
in
the
right
hand
side
of
the
deice panel
and
is
placarded WINDSHIELD PANEL
HEAT
-
SEE
AIRPLANE
FLIGHT
MANUAL.
CAUTION
If
the
airplane
is
to
be
flown
with
the
heated
glass panel
removed,
rotate
the
receptacle
plate
180°
and replace it
to
cover
the
holes
in the
fuselage
skin.
Also
replace
the
windshield
collar
screws.
An
operational check
may
be
performed
by turning
the
heated
wind-
shield panel
switch
on
for
a
period
not
exceeding
30
seconds.
Proper
operation
is indicated by
the
glass
section being
warm
to
the
touch.
Two heated
lift
detectors
and
a
heated
pitot
head
installed
on
the
left
wing
are
controlled
by
a
single ON-OFF
type
PITOT
HEAT
switch
located
on
the
instrument panel
below
the
pilot's
control wheel
ICE
DETECTION LIGHT,
SURFACE DEICER,
PROPELLER
DEICER
AND
HEATED
WINDSHIELD
CONTROL
SWITCHES
Figure 9-3
ISSUED:
JANUARY
8, 1981
REPORT:
VB-1110
REVISED:
AUGUST 17, 1981
5 of
10, 9-49